0207166v2

related topics
{light, field, probe}
{photon, photons, single}
{state, phys, rev}
{entanglement, phys, rev}
{time, systems, information}

Controllable Frequency Entanglement via Auto-Phase-Matched Spontaneous Parametric Down-Conversion

Zachary D. Walton, Mark C. Booth, Alexander V. Sergienko, Bahaa E. A. Saleh, Malvin C. Teich

abstract: A new method for generating entangled photons with controllable frequency correlation via spontaneous parametric down-conversion (SPDC) is presented. The method entails initiating counter-propagating SPDC in a single-mode nonlinear waveguide by pumping with a pulsed beam perpendicular to the waveguide. The method offers several advantages over other schemes, including the ability to generate frequency-correlated photon pairs regardless of the dispersion characteristics of the system. Numerical evidence demonstrates the improvement provided by this source in the special case of frequency-correlated two-photon states.

oai_identifier:
oai:arXiv.org:quant-ph/0207166
categories:
quant-ph
comments:
5 pages, 4 figures; recalculated the bold visibility curve in Fig. 4 for a GaAs (instead of KTP) waveguide--conclusions unchanged; accepted for publication in Physical Review A
doi:
10.1103/PhysRevA.67.053810
arxiv_id:
quant-ph/0207166
created:
2002-07-29
updated:
2003-04-17

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